The NDAA is a big bill, what part are you commenting on? Please show text.
Do your homework, start with reading the full article. In the article it tells you the main concern is Section 1021. It tramples your 5th Amendment Rights.
http://www.youtube.com/watch?v=q6ARkiJM2bA
Proof Obama will sign NDAA (S.1867) 1031 “American Citizen Indefinite Detention Law”
Senator Levin told Congress recently that under the original wording of the National Defense Authorization Act, American citizens were excluded from the provision that allowed for detention. Once Obama’s officials saw the text though, says Levin, “the administration asked us to remove the language which says that US citizens and lawful residents would not be subject to this section.”